package demo02;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/register.do")
public class dem2 extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // 设置响应的内容类型为HTML，字符集为UTF-8
        String username = req.getParameter("username");
        String password = req.getParameter("password");
        resp.setContentType("text/html; charset=UTF-8");

        //      重定向
        if(req.getParameter("username").length()!= 0){
            resp.sendRedirect("/class01");
        }

//          转发
       /* if(req.getParameter("username").length()!= 0){
            req.getRequestDispatcher("/class01").forward(req,resp);
        }*/
    }
}